This topic applies only on the z/OS operating system.

Enabling multiple servants on z/OS

Use this task to enable multiple servants on your WebSphere Application Server for z/OS system. Enabling multiple servants improves the performance of WebSphere Application Server for z/OS.

Before you begin

Review the limitations of enabling multiple servants.

About this task

Workload Management (WLM), enables you to manage the performance and number of servants in WebSphere Application Server for z/OS. WLM manages the response time and throughput of transactions according to their assigned service class, the associated performance objectives, and the availability of system resources. To meet these goals, WLM sometimes needs to control or override the number of servants that are active. With this task, you can enable WLM to start additional servants to meet performance goals.

Procedure

  1. In the administrative console, click Servers > Application servers > server_name.
  2. Under Server Infrastructure, click Java and Process Management > Server Instance.
  3. Select the Multiple instances enabled field.
  4. Click Apply to finish the Server Instance changes.
  5. Click OK and then click Save to save your configuration changes.

Results

Workload Management (WLM) can start additional servant regions to meet performance goals, based on the importance of its work compared to other work in the system, the availability of system resources that are needed to satisfy those objectives, and a determination by WLM of whether starting more address spaces might help achieve the objectives. It is also important to make the goals reasonable.



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Last updated: Sep 20, 2010 11:08:29 PM CDT
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